8026720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 21718368

約数和(自身を除く): 13691648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 227, 260, 272, 340, 416, 442, 454, 520, 544, 680, 884, 908, 1040, 1105, 1135, 1360, 1768, 1816, 2080, 2210, 2270, 2720, 2951, 3536, 3632, 3859, 4420, 4540, 5902, 7072, 7264, 7718, 8840, 9080, 11804, 14755, 15436, 17680, 18160, 19295, 23608, 29510, 30872, 35360, 36320, 38590, 47216, 50167, 59020, 61744, 77180, 94432, 100334, 118040, 123488, 154360, 200668, 236080, 250835, 308720, 401336, 472160, 501670, 617440, 802672, 1003340, 1605344, 2006680, 4013360, 8026720]

約数ペア:

[(1, 8026720), (2, 4013360), (4, 2006680), (5, 1605344), (8, 1003340), (10, 802672), (13, 617440), (16, 501670), (17, 472160), (20, 401336), (26, 308720), (32, 250835), (34, 236080), (40, 200668), (52, 154360), (65, 123488), (68, 118040), (80, 100334), (85, 94432), (104, 77180), (130, 61744), (136, 59020), (160, 50167), (170, 47216), (208, 38590), (221, 36320), (227, 35360), (260, 30872), (272, 29510), (340, 23608), (416, 19295), (442, 18160), (454, 17680), (520, 15436), (544, 14755), (680, 11804), (884, 9080), (908, 8840), (1040, 7718), (1105, 7264), (1135, 7072), (1360, 5902), (1768, 4540), (1816, 4420), (2080, 3859), (2210, 3632), (2270, 3536), (2720, 2951)]